Home / 58,836.49-81,194.45-31,978.94

Finding the Fourth Proportional to 58,836.49, 81,194.45 and 31,978.94

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Solution

The fourth proportional to 58,836.49, 81,194.45 and 31,978.94 is: 44,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.49 : 81,194.45 = 31,978.94 : x
  2. Step 2: Convert to fraction form
    58,836.49/81,194.45 = 31,978.94/x
  3. Step 3: Cross multiply
    58,836.49x = 81,194.45 × 31,978.94
  4. Step 4: Simplify right side
    58,836.49x = 2,596,511,879.02
  5. Step 5: Solve for x
    x = 2,596,511,879.02/58,836.49
  6. Step 6: Final answer
    x = 44,130.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.